The factor pairs of 3000 are (3000,1)(1500,2)(1000,3)(750,4)(600,5)(500,6)(375,8)(300,10)(250,12)(200,15)(150,20)(125,24)(120,25)(100,30)(75,40)(60,50)
Those digits can make the factor pairs (4,56)(4,65)(5,46)(5,64)(6,45)(6,54)None of them have a product between 3000 and 5000.
80 has 5 factor pairs.
(1500,2)(1000,3)(750,4)(600,5)(500,6)(375,8)(300,10)(250,12)(200,15)(150,20)(125,24)(120,25)(100,30)(75,40)(60,50)
The factor pairs of 215 are 1, 5, 43, and 215
60 and 500
The factor pairs of 10 are 1*10, 2*5
1 and 5
1 and 5
5 and 1
80 has 5 factor pairs.
the factor pairs of 45 are:1*45,15*3,and 9*5
The factor pairs of 25 are 1 x 25 and 5 x 5